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5 Troubleshooting
5-4
PG17N*/PG19N*
5-1-4 S Correction Failure
S1~S5 signals are right at each
frequency block?
Check S1 ~ S5 signal.
Check and replace
C451~ C457, Q451~Q455, Q456~Q460 .
Yes
5-1-5 H_Lin. Failure
IC201 Pin 22 voltage varies with
different H_Lin. DAC values?
IC403 Pin 7, 8 voltage varies with
different H_Lin. DAC values?
Check +12 V line.
Check some parts around IC403.
Check L403.
Yes
Yes
No
Check and replace IC201.
No
Replace IC201.
No
5-1-6 Invariable H_Size
IC261 Pin 6 voltage varies with
different H_Size DAC values?
Check and replace IC261.
No
11
11
13.6 V (IC261, #6)
CH1 P-P = 13.6 V
CH1 RMS =9.02 V
Содержание PG19N
Страница 2: ...Samsung Electronics Co Ltd April 2000 Printed in Korea P N BH68 00129F 01...
Страница 17: ...Memo 4 Alignment and Adjustments 4 8 PG17N PG19N...
Страница 67: ...Memo 8 Block Diagrams 8 2 PG17N PG19N...
Страница 71: ...10 Schematic Diagrams 10 3 PG17N PG19N 10 2 Micom Part Schematic Diagram 4 6 3 5...
Страница 73: ...10 Schematic Diagrams 10 5 PG17N PG19N 10 3 H V Process Part Schematic Diagram 9 11 10 7 8...
Страница 75: ...10 Schematic Diagrams 10 7 PG17N PG19N 10 4 HORI VERTICAL Part Schematic Diagram L403 12 13 17 14 15 16...
Страница 77: ...10 Schematic Diagrams 10 9 PG17N PG19N 18 21 20 19 10 5 HIGH VOLTAGE Parts Schematic Diagram...
Страница 79: ...10 Schematic Diagrams 10 11 PG17N PG19N 10 6 Video Parts Schematic Diagram 17...
Страница 85: ...Memo 10 Schematic Diagrams 10 17 PG17N PG19N...